.studentItem_main{
    position: relative;
    box-sizing: border-box;
    height: 30px;
    text-align: left;
    padding:0 6px 6px 6px;
    cursor: pointer;
    .btn_wrapper {
        // display: none;
        display: block;
        font-weight: bold;
    }
    &:hover{
        .btn_wrapper {
            display: block !important;
        }
    }
    .studentItem_content{
        position: relative;
        
    }
    .studentItem_head{
        height: 24px;
        width: 120px;
       
    }
    .studentItem_head_bg{
         display: inline-block;
         height: 18px;
         width: 18px;
         border-radius: 50%;
         vertical-align: middle;
         background-image: url(../../common/img/cc.png);
         background-size: 100%;
         line-height: 24px;
    }
    
    .studentItem_head_name{
        display: inline-block;
        line-height: 18px;
        font-size: 12px;
        margin: 0 5px;
        overflow:hidden; //超出的文本隐藏
        text-overflow:ellipsis; //溢出用省略号显示
        white-space:nowrap;
        vertical-align: middle;
        width:80px;
    }
}